CVE-2022-34527
Published: 29 July 2022
Summary
CVE-2022-34527 is a high-severity OS Command Injection (CWE-78) vulnerability in Dlink Dsl-3782 Firmware. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 3.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
D-Link DSL-3782 routers running firmware v1.03 and earlier contain a command injection vulnerability in the function byte_4C0160, tracked as CVE-2022-34527. The flaw is an instance of CWE-78 and carries a CVSS 3.1 score of 8.8, reflecting network attack vector, low complexity, and low privileges required.
An attacker who can reach the device and authenticate with low-privileged credentials can supply crafted input that results in arbitrary command execution on the underlying operating system. Successful exploitation grants the attacker the ability to read, modify, or delete data and to disrupt device operation, corresponding to the high impact ratings across confidentiality, integrity, and availability.
D-Link has published a security bulletin addressing the affected DSL-3782 product line; the bulletin and related technical details are available on the vendor site and in public proof-of-concept repositories. The EPSS score for this CVE has remained at 0.2486 since disclosure, indicating steady but not sharply increasing exploitation interest.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-37481
Vulnerability details
D-Link DSL-3782 v1.03 and below was discovered to contain a command injection vulnerability via the function byte_4C0160.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.